package com.rentong.utils;

/**
 * @Author: zhangle
 * @Description:
 * @Date: 2018/8/8 16:15
 */

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

@Component
public class SpringUtil implements ApplicationContextAware {
    private static ApplicationContext applicationContext = null;

    public SpringUtil() {
    }

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
            if(SpringUtil.applicationContext == null){
                SpringUtil.applicationContext  = applicationContext;
            }

            System.out.println("---------------com.kfit.base.util.SpringUtil------------------------------------------------------");

            System.out.println("========ApplicationContext配置成功,在普通类可以通过调用SpringUtils.getAppContext()获取applicationContext对象,applicationContext="+SpringUtil.applicationContext+"========");

            }

            //获取applicationContext

            public static ApplicationContext getApplicationContext() {

            return applicationContext;

            }

            //通过name获取 Bean.

            public static Object getBean(String name){

            return getApplicationContext().getBean(name);

            }

            //通过class获取Bean.

            public static <T> T getBean(Class<T> clazz){

        return getApplicationContext().getBean(clazz);

        }

        //通过name,以及Clazz返回指定的Bean

        public static <T> T getBean(String name,Class<T> clazz){

        return getApplicationContext().getBean(name, clazz);

        }

        }
